Perform the indicated operations. Express the answer as a single polynomial in standard form.12x4(7x6 - 4x2 - 12)
A. 84x10 - 4x2 - 12
B. 84x6 - 48x2 - 144
C. 84x10 - 48x6 - 144x4
D. 84x10 - 48x6
Answer: C
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Find all the first order partial derivatives for the following function.f(x, y) = (-3x2 - 9y2)3/2
A. fx(x, y) = -9
; fy(x, y) = -27y
B. fx(x, y) = -27x
; fy(x, y) = -9y
C. fx(x, y) = -9y
; fy(x, y) = -27x
D. fx(x, y) = -27y
; fy(x, y) = -9x
Answer the question based on the following situation:An honest coin is tossed 1600 times. The random variable X denotes the total number of heads that come up in the 1600 tosses.What are the chances that X is more than 813?
A. approximately 84% B. approximately 75% C. approximately 16% D. approximately 25% E. none of these
Find the LCD for the given fractions.
and 
A. 4 B. 48 C. 16 D. 12
Solve the matrix equation X = AX + D for the unknown matrix X = 
, where A = 
, D = 
.
Fill in the blank(s) with the appropriate word(s).